Look at the object pronouns in these sentences with infinitives:
Je peux la rencontrer aujourd'hui.I can meet her today.
Valérie doit le garder.Valérie must babysit him.
J'aime l'écouter.I like to listen to him.
Tu veux les acheter.You want to buy them.
Nous allons lui parler.We are going to talk to her.
Je vais leur téléphoner.I'm going to phone them.
Note that generally, when object pronouns are used in sentences with infinitives, they are placed right before the infinitive.
See also Replacing nouns with le, la, l', les = it, him, her, them (direct object pronouns)
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